coder1.dk DNS records

🖥️ Nameservers2 records 257ms

Nameserver	IP addresses	PTR	ASN / ISP
kip.ns.cloudflare.com	108.162.193.128 172.64.33.128 173.245.59.128 2606:4700:58::adf5:3b80 2803:f800:50::6ca2:c180 2a06:98c1:50::ac40:2180	kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lina.ns.cloudflare.com	108.162.192.187 172.64.32.187 173.245.58.187 2606:4700:50::adf5:3abb 2803:f800:50::6ca2:c0bb 2a06:98c1:50::ac40:20bb	lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 240ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.6.198	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.59	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 235ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.6.198
🔶 Autoconfig	104.21.6.198

🔷 AAAA Records (IPv6)2 records 235ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:6c6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:873b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 254ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.6.198,172.67.135.59 ech=AEX+DQBBTAAgACBDBiNPRa3JAde2W8i1tIukUky3n34zHcc735yBmfpvegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:6c6,2606:4700:3033::ac43:873b

📝 TXT Records3 records 993ms

TXT Record
MS=013140A095AA28DB9EC7765BD425206BACB8A0A3
protonmail-verification=9aa545caeee819fde01542b581e315d9dc8d1ffa
v=spf1 include:spf.simply.com -all

✉️ SPF

Policy	Record (coder1.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.coder1.dk	4fMK6CNmdh1f4vNgIzgQNumPpmozrNqkcWFDO9jYuIk
TXT	_acme-challenge.coder1.dk	rXfzP6lNFfiNLUq1UZRzUZKjgJ1y4xUX_ufyEhygXhs

🔗 TLSA / DANE2 records 364ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC542ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2412797251
Primary NS (MNAME)	kip.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

257ms

A

240ms

MX

235ms

AAAA

235ms

TXT

993ms

CAA

286ms

HTTPS

254ms

TLSA

364ms

SOA

0ms

MTA-STS

359ms

DNSSEC

542ms

SRV

325ms

Total

6872ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 17:50:28	631ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-23 17:37:16	974ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 16:02:57	6872ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 15:56:29	32858ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-19 15:07:38	1895ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-31 19:59:29	838ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 17:44:15	674ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 17:30:13	667ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 06:47:10	981ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 01:26:31	1781ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 21:48:52	374ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 21:40:29	499ms	2 NS 2 A 1 MX	🔓 Insecure	View